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  1. By: Jefferson, Roland M. - Fusonie, Alan M. - United States. Agricultural Research Service
    Publication info: Washington :Dept. of Agriculture, Agricultural Research Service,1977.
    Holding Institution: Smithsonian Libraries
  2. By: Fusonie, Alan M. - Fusonie, Donna Mason. - Associates of the National Agricultural Library.
    Publication info: Beltsville, Maryland :Associates of the National Agricultural Library,1981.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library